Air-cooled cylinder cover structure

By combining air-cooled and water-cooled heat dissipation components, the problem of poor heat dissipation in air-cooled cylinder heads has been solved, achieving efficient heat dissipation and extending the service life of the cylinder head.

CN223689823UActive Publication Date: 2025-12-19CHONGQING SHUNYOUXIANG TECH CO LTD
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Patent Information

Application Number
CN202520327240.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-27
Publication Date
2025-12-19
Estimated Expiration
2035-02-27

AI Technical Summary

Technical Problem

In existing technologies, air-cooled cylinder heads have poor heat dissipation, which leads to a reduced service life of the cylinder head under long-term high-temperature operating conditions.

Method used

It adopts a heat dissipation method that combines air cooling and water cooling. The heat dissipation component consists of a mounting base, a heat spreader, heat sink, condenser tubes and connecting components, which utilizes air flow and condensate circulation to achieve efficient heat dissipation.

Benefits of technology

It improves the heat dissipation of the cylinder head, avoids excessive temperature affecting service life, and extends the service life of the cylinder head.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223689823U_ABST
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Abstract

The utility model relates to the technical field of engine parts, in particular to an air-cooled cylinder cover structure which comprises a cylinder cover body and a heat dissipation assembly, the heat dissipation assembly comprises a fixing seat, a uniform temperature plate, cooling fins, a condensation pipe and a connecting component, and the fixing seat is detachably connected with the cylinder cover body and located on one side of the cylinder cover body; the temperature equalizing plate is arranged between the fixing base and the cylinder cover body, the cooling fins are fixedly connected with the fixing base and located on the side, away from the cylinder cover body, of the fixing base, the condensation pipe is installed in the cylinder cover body, and the connecting component is installed on the cylinder cover body and connected with the condensation pipe. And in the prior art, a liquid cooling circulation mode is purely adopted for heat dissipation, the heat dissipation effect is poor, and the service life is affected.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of engine parts technology field, especially to a wind cooling cylinder cover structure. BACKGROUND

[0002] The air-cooled engine is generally loaded on many small displacement motorcycles, especially some entry-level and economy models, the cylinder cover is the main part of the engine, and the cylinder block forms a closed space together to provide a sealed environment for the reciprocating movement of the piston in the cylinder to prevent the high-temperature and high-pressure gas generated in the combustion process from leaking. The temperature of the traditional air-cooled engine cylinder cover is very high, and it cannot be cooled in time, which will greatly reduce the service life of the cylinder cover.

[0003] The prior art CN216811930U discloses a low-emission single-cylinder air-cooled diesel engine cylinder cover, comprising: a cylinder cover body, installation holes are formed at the top of the cylinder cover body at four corners, a positioning hole is formed at the top of the cylinder cover body and on one side of the installation hole, and the number of the positioning holes is multiple. The low-emission single-cylinder air-cooled diesel engine cylinder cover provided by the utility model can quickly align and preliminarily fix the cylinder cover body with the diesel engine through the cooperation of the multiple positioning columns of the diesel engine shell and the multiple positioning holes, and then install using screws penetrating the installation holes, which facilitates the installation of the cylinder cover body. Due to the long-time use of the diesel engine, the temperature of the cylinder cover body is very high, and it needs to be cooled. The external pipe connected by the liquid inlet pipe guides the condensed liquid into the condenser pipe, and then guides the warmed condensed liquid out from the liquid outlet pipe, which plays a role in circulating the condensed liquid, can quickly cool the cylinder cover body, and avoids reducing the service life due to the excessively high temperature.

[0004] For the above-mentioned low-emission single-cylinder air-cooled diesel engine cylinder cover, the temperature of the cylinder cover is very high in the long-time working environment, and the prior art simply adopts a liquid cooling circulation mode for heat dissipation, which has poor heat dissipation effect and affects the service life. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a wind cooling cylinder cover structure, which solves the problem that the temperature of the cylinder cover is very high in the long-time working environment, and the prior art simply adopts a liquid cooling circulation mode for heat dissipation, which has poor heat dissipation effect and affects the service life.

[0006] To achieve the above object, the utility model provides a kind of air cooling cylinder cover structure, including cylinder cover body and heat dissipation component, the heat dissipation component includes fixed seat, uniform temperature plate, fin, condenser pipe and connecting component, the fixed seat with the cylinder cover body can be detachably connected, and it is located in the side of the cylinder cover body, the uniform temperature plate is arranged between the fixed seat and the cylinder cover body, the fin is fixedly connected with the fixed seat, and it is located in the side of the fixed seat away from the cylinder cover body, the condenser pipe is installed in the cylinder cover body, the connecting component is installed on the cylinder cover body, and is connected with the condenser pipe.

[0007] Among them, the connecting component includes liquid inlet connector and liquid outlet connector, the liquid inlet connector is detachably connected with the cylinder cover body, and is communicated with the condenser pipe input end;The liquid outlet connector is detachably connected with the cylinder cover body, and is communicated with the output end of the condenser pipe.

[0008] Among them, the cylinder cover body has alignment hole, the alignment hole is located in the side of the cylinder cover body close to the fixed seat;The fixed seat has protrusion, and the protrusion is matched with the alignment hole.

[0009] Among them, the heat dissipation component further includes limiting flange, and the limiting flange is arranged on the fixed seat and located in the side of the fixed seat close to the uniform temperature plate.

[0010] Among them, the heat dissipation component further includes flow guide vane, and the flow guide vane is detachably connected with the cylinder cover body and located in the side of the cylinder cover body close to the fin.

[0011] The utility model discloses a kind of air cooling cylinder cover structure, including cylinder cover body and heat dissipation component, the heat dissipation component includes fixed seat, uniform temperature plate, fin, condenser pipe and connecting component, the fixed seat with the cylinder cover body can be detachably connected, and it is located in the side of the cylinder cover body, the uniform temperature plate is arranged between the fixed seat and the cylinder cover body, the fin is fixedly connected with the fixed seat, and it is located in the side of the fixed seat away from the cylinder cover body, the condenser pipe is installed in the cylinder cover body, the connecting component is installed on the cylinder cover body, and is connected with the condenser pipe, solve the problem that due to the temperature of cylinder cover is very high under long time working environment, and the heat dissipation effect of simply using liquid cooling circulation mode in prior art is poor, affect service life. ACCURACY OF DRAWINGS

[0012] In order to more clearly illustrate the technical scheme in the embodiment of the present application or prior art, the following will briefly introduce the drawings needed to be used in embodiment or prior art description.

[0013] Figure 1 It is the overall structure schematic diagram of the air cooling cylinder cover structure of the utility model.

[0014] Figure 2 is a structural schematic view of the connecting member of the utility model.

[0015] Figure 3 is a structural schematic view of the condensing pipe of the utility model.

[0016] Figure 4 is a structural schematic view of the fixing seat of the utility model.

[0017] In the figure: 101-cylinder cover body, 102-fixing seat, 103-temperature equalizing plate, 104-radiator fin, 105-condensing pipe, 106-liquid inlet connector, 107-liquid outlet connector, 108-alignment hole, 109-protrusion, 110-limit flange, 111-flow guide fin. DETAILED DESCRIPTION

[0018] The embodiments of the utility model are described in detail below, examples of the embodiments are shown in the drawings, the embodiments described below by referring to the drawings are exemplary and are intended to explain the utility model and cannot be understood as limiting the utility model.

[0019] The embodiments of the present application are:

[0020] Please refer to Figures 1-4 , Figure 1 is a whole structural schematic view of the air-cooled cylinder cover structure of the utility model, Figure 2 is a structural schematic view of the connecting member of the utility model, Figure 3 is a structural schematic view of the condensing pipe 105 of the utility model, Figure 4 is a structural schematic view of the fixing seat 102 of the utility model.

[0021] The air-cooled cylinder cover structure of the utility model comprises a cylinder cover body 101, a fixing seat 102, a temperature equalizing plate 103, a radiator fin 104, a condensing pipe 105, a liquid inlet connector 106, a liquid outlet connector 107, an alignment hole 108, a protrusion 109, a limit flange 110 and a flow guide fin 111, and solves the problem that the temperature of the cylinder cover is very high in a long-time working environment, and the existing technology simply adopts a liquid cooling circulation mode for heat dissipation, the heat dissipation effect is poor, and the service life is affected. It can be understood that the foregoing scheme can also be used to improve the heat dissipation effect.

[0022] In the embodiment, the cylinder cover body 101 is the existing technology, and the specific structure refers to the existing technology CN216811930U A kind of low emission single cylinder air-cooled diesel engine cylinder cover, by the heat dissipation component, thereby solve the problem that the temperature of the cylinder cover is very high in a long-time working environment, and the existing technology simply adopts a liquid cooling circulation mode for heat dissipation, the heat dissipation effect is poor, and the service life is affected.

[0023] The fixing seat 102 is detachably connected with the cylinder cover body 101 and located on one side of the cylinder cover body 101, the uniform temperature plate 103 is arranged between the fixing seat 102 and the cylinder cover body 101, the radiating fin 104 is fixedly connected with the fixing seat 102 and located on the side of the fixing seat 102 away from the cylinder cover body 101, the condenser pipe 105 is installed in the cylinder cover body 101, the connecting member is installed on the cylinder cover body 101 and connected with the condenser pipe 105, the fixing seat 102 is made of aluminum material and has high thermal conductivity, the number of the fixing seat 102 is two, which are installed on the two sides of the cylinder cover body 101 through bolts, the uniform temperature plate 103 is a rectangular copper plate and located between the cylinder cover and the fixing seat 102, the uniform temperature plate 103 can uniformly conduct the heat of the cylinder cover body 101 to the fixing seat 102, the radiating fin 104 is made of aluminum and a plurality of radiating fins 104 are uniformly arranged on the fixing seat 102, the radiating fin 104 can quickly disperse the heat on the fixing seat 102, increase the contact area with the air, and thus quickly radiate heat, the condenser pipe 105 is installed in the cylinder cover body 101 and used for the flow of cooling liquid, the cooling liquid circulates in the condenser pipe 105, and thus the cylinder cover is further radiated, the connecting member plays a connecting role, so that the condenser pipe 105 can be connected with an external pipe, through the radiating fin 104 and the condenser pipe 105, air cooling and water cooling can be realized at the same time, and thus the heat dissipation effect of the cylinder cover body 101 is greatly improved, and the problem that the temperature of the cylinder cover is very high in a long-time working environment, the heat dissipation effect of the prior art is poor by simply adopting a liquid cooling circulation mode, and the service life is affected is solved.

[0024] Secondly, the liquid inlet connector 106 is detachably connected with the cylinder cover body 101 and in communication with the input end of the condenser pipe 105, the liquid outlet connector 107 is detachably connected with the cylinder cover body 101 and in communication with the output end of the condenser pipe 105, the liquid inlet connector 106 is connected with the cylinder cover body 101 in a threaded manner, an external pipe can be in communication with the input end of the condenser pipe 105 through the liquid inlet connector 106, the liquid outlet connector 107 is connected with the cylinder cover body 101 in a threaded manner, an external pipe can be in communication with the output end of the condenser pipe 105 through the liquid outlet connector 107, and the condenser pipe 105 is connected through the liquid inlet connector 106 and the liquid outlet connector 107.

[0025] Meanwhile, the alignment hole 108 is located on one side of the cylinder cover body 101 close to the fixed seat 102; the fixed seat 102 is provided with a protrusion 109 matched with the alignment hole 108, the alignment hole 108 is arranged on both sides of the cylinder cover body 101, and the number of the alignment holes 108 is multiple; the protrusion 109 is arranged on the fixed seat 102, the position of the protrusion 109 corresponds to the position of the alignment hole 108, and the fixed seat 102 is conveniently positioned and installed through the matching of the protrusion 109 and the alignment hole 108.

[0026] In addition, the limiting flange 110 is arranged on the fixed seat 102 and located on one side of the fixed seat 102 close to the vapor chamber 103; the limiting flange 110 is rectangular, and the vapor chamber 103 is clamped into the limiting flange 110 during installation, so that the vapor chamber 103 is limited through the limiting flange 110, and the stability of the installation of the vapor chamber 103 is improved.

[0027] Finally, the flow guide vane 111 is detachably connected with the cylinder cover body 101 and located on one side of the cylinder cover body 101 close to the heat dissipation fin 104; the flow guide vane 111 is two and arranged in an eight-character shape on one side of the cylinder cover body 101, and is used for guiding air flow, so that the heat dissipation fin 104 can better contact with air through the flow guide vane 111.

[0028] In the embodiment, when the cylinder cover body 101 generates a large amount of heat, the heat is uniformly conducted to the fixed seat 102 through the vapor chamber 103, and then the heat is quickly dispersed to the surrounding air through the heat dissipation fin 104; when air flows, the flow guide vane 111 guides the air flow, so that the air can blow to the heat dissipation fins 104 on both sides, and the heat can be better taken away; meanwhile, the external device pipe connected through the liquid inlet connector 106 guides the condensed liquid into the condensing pipe 105, and then the condensed liquid with a high temperature is guided out from the liquid outlet connector 107, so as to play a role of condensed liquid circulation, further cool the cylinder cover body 101, avoid the temperature being too high to reduce the service life, and solve the problem that the temperature of the cylinder cover is very high in a long-time working environment, and the existing technology simply adopts a liquid cooling circulation mode for heat dissipation, the heat dissipation effect is poor, and the service life is affected.

[0029] The above only discloses one or more preferred embodiments of the application, and cannot limit the scope of the rights of the application; those skilled in the art can understand that all or part of the processes of the above embodiments are implemented, and equivalent changes made according to the claims of the application still belong to the scope covered by the application.

Claims

1. An air-cooled cylinder head structure comprising a cylinder head body, characterized in that, further comprising a heat dissipation assembly; the heat dissipation assembly comprises a fixing seat, a uniform temperature plate, a heat sink, a condenser pipe and a connecting member, the fixing seat is detachably connected with the cylinder head body and located on one side of the cylinder head body, the uniform temperature plate is arranged between the fixing seat and the cylinder head body, the heat sink is fixedly connected with the fixing seat and located on the side of the fixing seat away from the cylinder head body, the condenser pipe is installed in the cylinder head body, and the connecting member is installed on the cylinder head body and connected with the condenser pipe.

2. The air-cooled cylinder head structure according to claim 1, characterized in that, the connecting member comprises a liquid inlet connector and a liquid outlet connector, the liquid inlet connector is detachably connected with the cylinder head body and in communication with the input end of the condenser pipe; and the liquid outlet connector is detachably connected with the cylinder head body and in communication with the output end of the condenser pipe.

3. The air-cooled cylinder head structure according to claim 1, characterized in that, the cylinder head body has a positioning hole, the positioning hole is located on the side of the cylinder head body close to the fixing seat; and the fixing seat has a protrusion, the protrusion is matched with the positioning hole.

4. The air-cooled cylinder head structure according to claim 1, characterized in that, the heat dissipation assembly further comprises a limiting flange, the limiting flange is arranged on the fixing seat and located on the side of the fixing seat close to the uniform temperature plate.

5. The air-cooled cylinder head structure according to claim 1, characterized in that, the heat dissipation assembly further comprises a flow guide vane, the flow guide vane is detachably connected with the cylinder head body and located on the side of the cylinder head body close to the heat sink.

Citation Information

Patent Citations

  • Cylinder cover of low-emission single-cylinder air-cooled diesel engine

    CN216811930U